#include "sha1-lookup.h"
#include "wt-status.h"
#include "advice.h"
+#include "refs.h"
+#include "commit-reach.h"
static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
return v->buffer;
}
-const void *get_commit_buffer(const struct commit *commit, unsigned long *sizep)
+const void *repo_get_commit_buffer(struct repository *r,
+ const struct commit *commit,
+ unsigned long *sizep)
{
- const void *ret = get_cached_commit_buffer(the_repository, commit, sizep);
+ const void *ret = get_cached_commit_buffer(r, commit, sizep);
if (!ret) {
enum object_type type;
unsigned long size;
- ret = read_object_file(&commit->object.oid, &type, &size);
+ ret = repo_read_object_file(r, &commit->object.oid, &type, &size);
if (!ret)
die("cannot read commit object %s",
oid_to_hex(&commit->object.oid));
return ret;
}
-void unuse_commit_buffer(const struct commit *commit, const void *buffer)
+void repo_unuse_commit_buffer(struct repository *r,
+ const struct commit *commit,
+ const void *buffer)
{
struct commit_buffer *v = buffer_slab_peek(
- the_repository->parsed_objects->buffer_slab, commit);
+ r->parsed_objects->buffer_slab, commit);
if (!(v && v->buffer == buffer))
free((void *)buffer);
}
-void free_commit_buffer(struct commit *commit)
+void free_commit_buffer(struct parsed_object_pool *pool, struct commit *commit)
{
struct commit_buffer *v = buffer_slab_peek(
- the_repository->parsed_objects->buffer_slab, commit);
+ pool->buffer_slab, commit);
if (v) {
FREE_AND_NULL(v->buffer);
v->size = 0;
return &get_commit_tree(commit)->object.oid;
}
-void release_commit_memory(struct commit *c)
+void release_commit_memory(struct parsed_object_pool *pool, struct commit *c)
{
c->maybe_tree = NULL;
c->index = 0;
- free_commit_buffer(c);
+ free_commit_buffer(pool, c);
free_commit_list(c->parents);
- /* TODO: what about commit->util? */
c->object.parsed = 0;
}
/* count number of children that have not been emitted */
define_commit_slab(indegree_slab, int);
-/* record author-date for each commit object */
define_commit_slab(author_date_slab, timestamp_t);
-static void record_author_date(struct author_date_slab *author_date,
- struct commit *commit)
+void record_author_date(struct author_date_slab *author_date,
+ struct commit *commit)
{
const char *buffer = get_commit_buffer(commit, NULL);
struct ident_split ident;
unuse_commit_buffer(commit, buffer);
}
-static int compare_commits_by_author_date(const void *a_, const void *b_,
- void *cb_data)
+int compare_commits_by_author_date(const void *a_, const void *b_,
+ void *cb_data)
{
const struct commit *a = a_, *b = b_;
struct author_date_slab *author_date = cb_data;
clear_author_date_slab(&author_date);
}
+struct rev_collect {
+ struct commit **commit;
+ int nr;
+ int alloc;
+ unsigned int initial : 1;
+};
+
+static void add_one_commit(struct object_id *oid, struct rev_collect *revs)
+{
+ struct commit *commit;
+
+ if (is_null_oid(oid))
+ return;
+
+ commit = lookup_commit(the_repository, oid);
+ if (!commit ||
+ (commit->object.flags & TMP_MARK) ||
+ parse_commit(commit))
+ return;
+
+ ALLOC_GROW(revs->commit, revs->nr + 1, revs->alloc);
+ revs->commit[revs->nr++] = commit;
+ commit->object.flags |= TMP_MARK;
+}
+
+static int collect_one_reflog_ent(struct object_id *ooid, struct object_id *noid,
+ const char *ident, timestamp_t timestamp,
+ int tz, const char *message, void *cbdata)
+{
+ struct rev_collect *revs = cbdata;
+
+ if (revs->initial) {
+ revs->initial = 0;
+ add_one_commit(ooid, revs);
+ }
+ add_one_commit(noid, revs);
+ return 0;
+}
+
+struct commit *get_fork_point(const char *refname, struct commit *commit)
+{
+ struct object_id oid;
+ struct rev_collect revs;
+ struct commit_list *bases;
+ int i;
+ struct commit *ret = NULL;
+
+ memset(&revs, 0, sizeof(revs));
+ revs.initial = 1;
+ for_each_reflog_ent(refname, collect_one_reflog_ent, &revs);
+
+ if (!revs.nr && !get_oid(refname, &oid))
+ add_one_commit(&oid, &revs);
+
+ for (i = 0; i < revs.nr; i++)
+ revs.commit[i]->object.flags &= ~TMP_MARK;
+
+ bases = get_merge_bases_many(commit, revs.nr, revs.commit);
+
+ /*
+ * There should be one and only one merge base, when we found
+ * a common ancestor among reflog entries.
+ */
+ if (!bases || bases->next)
+ goto cleanup_return;
+
+ /* And the found one must be one of the reflog entries */
+ for (i = 0; i < revs.nr; i++)
+ if (&bases->item->object == &revs.commit[i]->object)
+ break; /* found */
+ if (revs.nr <= i)
+ goto cleanup_return;
+
+ ret = bases->item;
+
+cleanup_return:
+ free_commit_list(bases);
+ return ret;
+}
+
static const char gpg_sig_header[] = "gpgsig";
static const int gpg_sig_header_len = sizeof(gpg_sig_header) - 1;
return ret;
}
+void verify_merge_signature(struct commit *commit, int verbosity)
+{
+ char hex[GIT_MAX_HEXSZ + 1];
+ struct signature_check signature_check;
+ memset(&signature_check, 0, sizeof(signature_check));
+
+ check_commit_signature(commit, &signature_check);
+ find_unique_abbrev_r(hex, &commit->object.oid, DEFAULT_ABBREV);
+ switch (signature_check.result) {
+ case 'G':
+ break;
+ case 'U':
+ die(_("Commit %s has an untrusted GPG signature, "
+ "allegedly by %s."), hex, signature_check.signer);
+ case 'B':
+ die(_("Commit %s has a bad GPG signature "
+ "allegedly by %s."), hex, signature_check.signer);
+ default: /* 'N' */
+ die(_("Commit %s does not have a GPG signature."), hex);
+ }
+ if (verbosity >= 0 && signature_check.result == 'G')
+ printf(_("Commit %s has a good GPG signature by %s\n"),
+ hex, signature_check.signer);
+
+ signature_check_clear(&signature_check);
+}
void append_merge_tag_headers(struct commit_list *parents,
struct commit_extra_header ***tail)